Kuinha Smart Ring Health Tracker: 24/7 heart rate and blood oxygen monitoring
For the active professional who wants to track health without a bulky device, the Kuinha Smart Ring is your discreet 24/7 wellness companion. Think of it not just as a fitness tracker, but as a personal health coach that fits on your finger—perfect for monitoring sleep quality after a stressful day or tracking heart rate during a morning run.
Its intelligent sleep tracking automatically logs your deep and light sleep cycles, so you can see exactly how your habits affect rest. The app displays easy-to-read graphs, helping you adjust routines for better recovery. With 50+ workout modes, it automatically counts steps and calories, giving you precise insights whether you're cycling, doing yoga, or just staying active. The long battery life means you can wear it for days without worrying about charging, and the IP68 waterproof design handles sweat and rain effortlessly. Use it with Alexa for hands-free updates, and enjoy lifetime app access with no subscription fees—just straightforward, actionable data to support your goals.
Features
- Intelligent sleep tracking with deep/light sleep analysis
- 50+ workout modes and automatic activity tracking
- IP68 waterproof for all-day wear
- 7-day battery life with fast charging
- No subscription fees for app access
- 24/7 heart rate and blood oxygen monitoring
General specs
- Brand: Kuinha
- Seller: Amazon
- ID: B0FNCJP4V6
- Size: 9
- Brand: Kuinha
- Battery Life: 7 days
- Product Type: Smart Ring, Health Tracker, Fitness Tracker, Sleep Tracker, Activity Tracker
- Subscription: No Subscription Fees
- Charging Type: Fast Charging, Charging Case
- Compatibility: Android 6.0 or above, iOS 11.0 or higher
- Workout Modes: 50+, Running, Cycling, Yoga
- Water Resistance: IP68
- Tracking Features: 24/7 Heart Rate Monitoring, Sleep Tracking (Deep/Light Sleep), Blood Oxygen Monitoring, Blood Pressure Monitoring, Step Counting, Calorie Burn Tracking, Distance Tracking
- Requirement Sizing: Requires Sizing Kit (B0F3WWL5X)
- First listed by seller: 3/21/26
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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| Brand | Kuinha | BIEMHA | Free Shark | TESKKR | lumthou | |
| Model | VR11 | R191121 | R18 | |||
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| Price | $16.99 | $57.98 | $99.99 | $69.99 | $29.99 | $77.53 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 |
| Size | 9 | 8 | 8 | 8# | 10 | |
| Battery Life | 7 days | 3-5 days, 20 days with charging case | 5-7 days | |||
| Product Type | Smart Ring, Health Tracker, Fitness Tracker, Sleep Tracker, Activity Tracker | Smart Ring | Smart Ring | |||
| Compatibility | Android 6.0 or above, iOS 11.0 or higher | iOS, Android | iOS, Android | iOS, Android | iPhone, Android | |
| Health Monitoring Features | Sleep quality tracking, Daily activity tracking, Step counting, Calorie tracking, Exercise performance tracking, Heart rate monitoring, Blood pressure monitoring | Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen | Heart rate, Blood oxygen, Stress, Menstrual cycle, Sleep monitoring | |||